The CM 690 II Advanced sports a large interior even though its classified as a mid-tower case. It can house up to 3 graphics cards and has the space to accommodate up to 2 radiator water-cooling units and the ability to house big CPU heatsinks. The Advanced also comes with graphics card retention bracket to ensure the graphics card is given added stability and an external docking station is positioned at the top of the case for SSDs. There are many other aspects to the CM 690 II Advanced so lets crack on and begin looking at this case.